Combination of a wall, a vent tube and a ventilation grid, and a method for the renovation of a wall with a vent pipe with a projection attached to one of the ventilation tube end ventilation grille with a cover member and mounting flange.

摘要

The present invention relates to a combination, comprising: - a wall; - a vent tube which extends through the wall, said ventilation tube comprises a first end with a first opening and a second end with a second opening, which opens the first end on a first side of the wall, and in which opens out the second end of a, opposite to the first side of the wall situated, second side of the wall; and - a ventilation grille, comprising a) a cover part, that the second opening of the vent tube covers, provided with grid openings through the cover member, b) an all around the cover member with the cover part grid flange confirmed that out of the second opening of the vent tube against the second side of the wall is seated, and c) an at right angles to the cover member in the second opening of the vent tube projecting first end.